Files
obsidian-excalidraw-plugin/src/ExcalidrawData.ts
2021-11-01 17:41:12 +01:00

736 lines
28 KiB
TypeScript

import { App, normalizePath, TFile } from "obsidian";
import {
nanoid,
FRONTMATTER_KEY_CUSTOM_PREFIX,
FRONTMATTER_KEY_CUSTOM_LINK_BRACKETS,
FRONTMATTER_KEY_CUSTOM_URL_PREFIX,
} from "./constants";
import { measureText } from "./ExcalidrawAutomate";
import ExcalidrawPlugin from "./main";
import {
JSON_parse
} from "./constants";
import { TextMode } from "./ExcalidrawView";
import { getAttachmentsFolderAndFilePath, getBinaryFileFromDataURL, isObsidianThemeDark, wrapText } from "./Utils";
import { ExcalidrawImageElement, ExcalidrawTextElement, FileId } from "@zsviczian/excalidraw/types/element/types";
import { BinaryFiles, SceneData } from "@zsviczian/excalidraw/types/types";
type SceneDataWithFiles = SceneData & { files: BinaryFiles};
declare module "obsidian" {
interface MetadataCache {
blockCache: {
getForFile(x:any,f:TAbstractFile):any;
}
}
}
export const REGEX_LINK = {
//![[link|alias]] [alias](link){num}
// 1 2 3 4 5 6 7 8 9
EXPR: /(!)?(\[\[([^|\]]+)\|?([^\]]+)?]]|\[([^\]]*)]\(([^)]*)\))(\{(\d+)\})?/g, //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/187
getRes: (text:string):IterableIterator<RegExpMatchArray> => {
return text.matchAll(REGEX_LINK.EXPR);
},
isTransclusion: (parts: IteratorResult<RegExpMatchArray, any>):boolean => {
return parts.value[1] ? true:false;
},
getLink: (parts: IteratorResult<RegExpMatchArray, any>):string => {
return parts.value[3] ? parts.value[3] : parts.value[6];
},
isWikiLink: (parts: IteratorResult<RegExpMatchArray, any>):boolean => {
return parts.value[3] ? true:false;
},
getAliasOrLink: (parts: IteratorResult<RegExpMatchArray, any>):string => {
return REGEX_LINK.isWikiLink(parts)
? (parts.value[4] ? parts.value[4] : parts.value[3])
: (parts.value[5] ? parts.value[5] : parts.value[6]);
},
getWrapLength: (parts: IteratorResult<RegExpMatchArray, any>):number => {
return parts.value[8];
}
}
export const REG_LINKINDEX_HYPERLINK = /^\w+:\/\//;
const DRAWING_REG = /\n%%\n# Drawing\n[^`]*(```json\n)([\s\S]*?)```/gm; //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/182
const DRAWING_REG_FALLBACK = /\n# Drawing\n(```json\n)?(.*)(```)?(%%)?/gm;
export function getJSON(data:string):[string,number] {
let res = data.matchAll(DRAWING_REG);
//In case the user adds a text element with the contents "# Drawing\n"
let parts;
parts = res.next();
if(parts.done) { //did not find a match
res = data.matchAll(DRAWING_REG_FALLBACK);
parts = res.next();
}
if(parts.value && parts.value.length>1) {
const result = parts.value[2];
return [result.substr(0,result.lastIndexOf("}")+1),parts.value.index]; //this is a workaround in case sync merges two files together and one version is still an old version without the ```codeblock
}
return [data,parts.value ? parts.value.index : 0];
}
//extracts SVG snapshot from Excalidraw Markdown string
const SVG_REG = /.*?```html\n([\s\S]*?)```/gm;
export function getSVGString(data:string):string {
let res = data.matchAll(SVG_REG);
let parts;
parts = res.next();
if(parts.value && parts.value.length>1) {
return parts.value[1].replaceAll("\n","");
}
return null;
}
export function getMarkdownDrawingSection(jsonString: string,svgString: string) {
return '%%\n# Drawing\n'
+ String.fromCharCode(96)+String.fromCharCode(96)+String.fromCharCode(96)+'json\n'
+ jsonString + '\n'
+ String.fromCharCode(96)+String.fromCharCode(96)+String.fromCharCode(96)
+ (svgString ? //&& this.settings.saveSVGSnapshots
'\n\n# SVG snapshot\n'
+ "==⚠ Remove all linebreaks from SVG string before use. Linebreaks were added to improve markdown view speed. ⚠==\n"
+ String.fromCharCode(96)+String.fromCharCode(96)+String.fromCharCode(96)+'html\n'
+ svgString + '\n'
+ String.fromCharCode(96)+String.fromCharCode(96)+String.fromCharCode(96)
: '')
+ '\n%%';
}
export class ExcalidrawData {
public svgSnapshot: string = null;
private textElements:Map<string,{raw:string, parsed:string}> = null;
public scene:any = null;
private file:TFile = null;
private app:App;
private showLinkBrackets: boolean;
private linkPrefix: string;
private urlPrefix: string;
private textMode: TextMode = TextMode.raw;
private plugin: ExcalidrawPlugin;
public loaded: boolean = false;
private files:Map<FileId,string> = null; //fileId, path
private equations:Map<FileId,string> = null; //fileId, path
private compatibilityMode:boolean = false;
constructor(plugin: ExcalidrawPlugin) {
this.plugin = plugin;
this.app = plugin.app;
this.files = new Map<FileId,string>();
this.equations = new Map<FileId,string>();
}
/**
* Loads a new drawing
* @param {TFile} file - the MD file containing the Excalidraw drawing
* @returns {boolean} - true if file was loaded, false if there was an error
*/
public async loadData(data: string,file: TFile, textMode:TextMode):Promise<boolean> {
this.loaded = false;
this.file = file;
this.textElements = new Map<string,{raw:string, parsed:string}>();
this.files.clear();
this.equations.clear();
this.compatibilityMode = false;
//I am storing these because if the settings change while a drawing is open parsing will run into errors during save
//The drawing will use these values until next drawing is loaded or this drawing is re-loaded
this.setShowLinkBrackets();
this.setLinkPrefix();
this.setUrlPrefix();
this.scene = null;
//In compatibility mode if the .excalidraw file was more recently updated than the .md file, then the .excalidraw file
//should be loaded as the scene.
//This feature is mostly likely only relevant to people who use Obsidian and Logseq on the same vault and edit .excalidraw
//drawings in Logseq.
if (this.plugin.settings.syncExcalidraw) {
const excalfile = file.path.substring(0,file.path.lastIndexOf('.md')) + '.excalidraw';
const f = this.app.vault.getAbstractFileByPath(excalfile);
if(f && f instanceof TFile && f.stat.mtime>file.stat.mtime) { //the .excalidraw file is newer then the .md file
const d = await this.app.vault.read(f);
this.scene = JSON.parse(d);
}
}
//Load scene: Read the JSON string after "# Drawing"
const [scene,pos] = getJSON(data);
if (pos === -1) {
return false; //JSON not found
}
if (!this.scene) {
this.scene = JSON_parse(scene); //this is a workaround to address when files are mereged by sync and one version is still an old markdown without the codeblock ```
}
if(!this.scene.files) {
this.scene.files = {}; //loading legacy scenes that do not yet have the files attribute.
}
if(this.plugin.settings.matchThemeAlways) {
this.scene.appState.theme = isObsidianThemeDark() ? "dark" : "light";
}
this.svgSnapshot = getSVGString(data.substr(pos+scene.length));
data = data.substring(0,pos);
//The Markdown # Text Elements take priority over the JSON text elements. Assuming the scenario in which the link was updated due to filename changes
//The .excalidraw JSON is modified to reflect the MD in case of difference
//Read the text elements into the textElements Map
let position = data.search(/(^%%\n)?# Text Elements\n/m);
if(position==-1) {
await this.setTextMode(textMode,false);
this.loaded = true;
return true; //Text Elements header does not exist
}
position += data.match(/((^%%\n)?# Text Elements\n)/m)[0].length
data = data.substring(position);
position = 0;
//iterating through all the text elements in .md
//Text elements always contain the raw value
const BLOCKREF_LEN:number = " ^12345678\n\n".length;
let res = data.matchAll(/\s\^(.{8})[\n]+/g);
let parts;
while(!(parts = res.next()).done) {
const text = data.substring(position,parts.value.index);
const id:string = parts.value[1];
this.textElements.set(id,{raw: text, parsed: await this.parse(text)});
//this will set the rawText field of text elements imported from files before 1.3.14, and from other instances of Excalidraw
const textEl = this.scene.elements.filter((el:any)=>el.id===id)[0];
if(textEl && (!textEl.rawText || textEl.rawText === "")) textEl.rawText = text;
position = parts.value.index + BLOCKREF_LEN;
}
data = data.substring(data.indexOf("# Embedded files\n")+"# Embedded files\n".length);
//Load Embedded files
const REG_FILEID_FILEPATH = /([\w\d]*):\s*\[\[([^\]]*)]]\n/gm;
res = data.matchAll(REG_FILEID_FILEPATH);
while(!(parts = res.next()).done) {
this.setFile(parts.value[1] as FileId,parts.value[2]);
}
//Load Equations
const REG_FILEID_EQUATION = /([\w\d]*):\s*\$\$(.*)(\$\$\s*\n)/gm;
res = data.matchAll(REG_FILEID_EQUATION);
while(!(parts = res.next()).done) {
this.setEquation(parts.value[1] as FileId,parts.value[2]);
}
//Check to see if there are text elements in the JSON that were missed from the # Text Elements section
//e.g. if the entire text elements section was deleted.
this.findNewTextElementsInScene();
await this.setTextMode(textMode,true);
this.loaded = true;
return true;
}
public async loadLegacyData(data: string,file: TFile):Promise<boolean> {
this.compatibilityMode = true;
this.file = file;
this.textElements = new Map<string,{raw:string, parsed:string}>();
this.setShowLinkBrackets();
this.setLinkPrefix();
this.setUrlPrefix();
this.scene = JSON.parse(data);
if(!this.scene.files) {
this.scene.files = {}; //loading legacy scenes without the files element
}
if(this.plugin.settings.matchThemeAlways) {
this.scene.appState.theme = isObsidianThemeDark() ? "dark" : "light";
}
this.files.clear();
this.equations.clear();
this.findNewTextElementsInScene();
await this.setTextMode(TextMode.raw,true); //legacy files are always displayed in raw mode.
return true;
}
public async setTextMode(textMode:TextMode,forceupdate:boolean=false) {
this.textMode = textMode;
await this.updateSceneTextElements(forceupdate);
}
//update a single text element in the scene if the newText is different
public updateTextElement(sceneTextElement:any, newText:string, forceUpdate:boolean = false) {
if(forceUpdate || newText!=sceneTextElement.text) {
const measure = measureText(newText,sceneTextElement.fontSize,sceneTextElement.fontFamily);
sceneTextElement.text = newText;
sceneTextElement.width = measure.w;
sceneTextElement.height = measure.h;
sceneTextElement.baseline = measure.baseline;
}
}
/**
* Updates the TextElements in the Excalidraw scene based on textElements MAP in ExcalidrawData
* Depending on textMode, TextElements will receive their raw or parsed values
* @param forceupdate : will update text elements even if text contents has not changed, this will
* correct sizing issues
*/
private async updateSceneTextElements(forceupdate:boolean=false) {
//update text in scene based on textElements Map
//first get scene text elements
const texts = this.scene.elements?.filter((el:any)=> el.type=="text")
for (const te of texts) {
this.updateTextElement(te,await this.getText(te.id),forceupdate);
}
}
private async getText(id:string):Promise<string> {
if (this.textMode == TextMode.parsed) {
if(!this.textElements.get(id).parsed) {
const raw = this.textElements.get(id).raw;
this.textElements.set(id,{raw:raw, parsed: await this.parse(raw)})
}
//console.log("parsed",this.textElements.get(id).parsed);
return this.textElements.get(id).parsed;
}
//console.log("raw",this.textElements.get(id).raw);
return this.textElements.get(id).raw;
}
/**
* check for textElements in Scene missing from textElements Map
* @returns {boolean} - true if there were changes
*/
private findNewTextElementsInScene():boolean {
//console.log("Excalidraw.Data.findNewTextElementsInScene()");
//get scene text elements
const texts = this.scene.elements?.filter((el:any)=> el.type=="text")
let jsonString = JSON.stringify(this.scene);
let dirty:boolean = false; //to keep track if the json has changed
let id:string; //will be used to hold the new 8 char long ID for textelements that don't yet appear under # Text Elements
for (const te of texts) {
id = te.id;
//replacing Excalidraw text IDs with my own nanoid, because default IDs may contain
//characters not recognized by Obsidian block references
//also Excalidraw IDs are inconveniently long
if(te.id.length>8) {
dirty = true;
id=nanoid();
jsonString = jsonString.replaceAll(te.id,id); //brute force approach to replace all occurances (e.g. links, groups,etc.)
}
if(te.id.length > 8 && this.textElements.has(te.id)) { //element was created with onBeforeTextSubmit
const element = this.textElements.get(te.id);
this.textElements.set(id,{raw: element.raw, parsed: element.parsed})
this.textElements.delete(te.id); //delete the old ID from the Map
dirty = true;
} else if(!this.textElements.has(id)) {
dirty = true;
const raw = (te.rawText && te.rawText!==""?te.rawText:te.text); //this is for compatibility with drawings created before the rawText change on ExcalidrawTextElement
this.textElements.set(id,{raw: raw, parsed: null});
this.parseasync(id,raw);
}
}
if(dirty) { //reload scene json in case it has changed
this.scene = JSON.parse(jsonString);
}
return dirty;
}
/**
* update text element map by deleting entries that are no long in the scene
* and updating the textElement map based on the text updated in the scene
*/
private async updateTextElementsFromScene() {
for(const key of this.textElements.keys()){
//find text element in the scene
const el = this.scene.elements?.filter((el:any)=> el.type=="text" && el.id==key);
if(el.length==0) {
this.textElements.delete(key); //if no longer in the scene, delete the text element
} else {
const text = await this.getText(key);
if(text != el[0].text) {
this.textElements.set(key,{raw: el[0].text,parsed: await this.parse(el[0].text)});
}
}
}
}
private async parseasync(key:string, raw:string) {
this.textElements.set(key,{raw:raw,parsed: await this.parse(raw)});
}
private parseLinks(text:string, position:number, parts:any):string {
return text.substring(position,parts.value.index) +
(this.showLinkBrackets ? "[[" : "") +
REGEX_LINK.getAliasOrLink(parts) +
(this.showLinkBrackets ? "]]" : "");
}
/**
*
* @param text
* @returns [string,number] - the transcluded text, and the line number for the location of the text
*/
public async getTransclusion (text:string):Promise<[string,number]> {
//file-name#^blockref
//1 2 3
const REG_FILE_BLOCKREF = /(.*)#(\^)?(.*)/g;
const parts=text.matchAll(REG_FILE_BLOCKREF).next();
if(!parts.done && !parts.value[1]) return [text,0]; //filename not found
const filename = parts.done ? text : parts.value[1];
const file = this.app.metadataCache.getFirstLinkpathDest(filename,this.file.path);
if(!file || !(file instanceof TFile)) return [text,0];
const contents = await this.app.vault.cachedRead(file);
if(parts.done) { //no blockreference
return([contents.substr(0,this.plugin.settings.pageTransclusionCharLimit),0]);
}
const isParagraphRef = parts.value[2] ? true : false; //does the reference contain a ^ character?
const id = parts.value[3]; //the block ID or heading text
const blocks = (await this.app.metadataCache.blockCache.getForFile({isCancelled: ()=>false},file)).blocks.filter((block:any)=>block.node.type!="comment");
if(!blocks) return [text,0];
if(isParagraphRef) {
let para = blocks.filter((block:any)=>block.node.id == id)[0]?.node;
if(!para) return [text,0];
if(["blockquote","listItem"].includes(para.type)) para = para.children[0]; //blockquotes are special, they have one child, which has the paragraph
const startPos = para.position.start.offset;
const lineNum = para.position.start.line;
const endPos = para.children[para.children.length-1]?.position.start.offset-1; //alternative: filter((c:any)=>c.type=="blockid")[0]
return [contents.substr(startPos,endPos-startPos),lineNum]
} else {
const headings = blocks.filter((block:any)=>block.display.startsWith("#"));
let startPos:number = null;
let lineNum:number = 0;
let endPos:number = null;
for(let i=0;i<headings.length;i++) {
if(startPos && !endPos) {
endPos = headings[i].node.position.start.offset-1;
return [contents.substr(startPos,endPos-startPos),lineNum];
}
if(!startPos && headings[i].node.children[0]?.value == id) {
startPos = headings[i].node.children[0]?.position.start.offset; //
lineNum = headings[i].node.children[0]?.position.start.line; //
}
}
if(startPos) return [contents.substr(startPos),lineNum];
return [text,0];
}
}
/**
* Process aliases and block embeds
* @param text
* @returns
*/
private async parse(text:string):Promise<string>{
let outString = "";
let position = 0;
const res = REGEX_LINK.getRes(text);
let linkIcon = false;
let urlIcon = false;
let parts;
while(!(parts=res.next()).done) {
if (REGEX_LINK.isTransclusion(parts)) { //transclusion //parts.value[1] || parts.value[4]
const [contents,lineNum] = await this.getTransclusion(REGEX_LINK.getLink(parts));
outString += text.substring(position,parts.value.index) +
wrapText(contents,REGEX_LINK.getWrapLength(parts),this.plugin.settings.forceWrap);
} else {
const parsedLink = this.parseLinks(text,position,parts);
if(parsedLink) {
outString += parsedLink;
if(!(urlIcon || linkIcon))
if(REGEX_LINK.getLink(parts).match(REG_LINKINDEX_HYPERLINK)) urlIcon = true;
else linkIcon = true;
}
}
position = parts.value.index + parts.value[0].length;
}
outString += text.substring(position,text.length);
if (linkIcon) {
outString = this.linkPrefix + outString;
}
if (urlIcon) {
outString = this.urlPrefix + outString;
}
return outString;
}
/**
* Does a quick parse of the raw text. Returns the parsed string if raw text does not include a transclusion.
* Return null if raw text includes a transclusion.
* This is implemented in a separate function, because by nature resolving a transclusion is an asynchronious
* activity. Quick parse gets the job done synchronously if possible.
* @param text
*/
private quickParse(text:string):string {
const hasTransclusion = (text:string):boolean => {
const res = REGEX_LINK.getRes(text);
let parts;
while(!(parts=res.next()).done) {
if (REGEX_LINK.isTransclusion(parts)) return true;
}
return false;
}
if (hasTransclusion(text)) return null;
let outString = "";
let position = 0;
const res = REGEX_LINK.getRes(text);
let linkIcon = false;
let urlIcon = false;
let parts;
while(!(parts=res.next()).done) {
const parsedLink = this.parseLinks(text,position,parts);
if(parsedLink) {
outString += parsedLink;
if(!(urlIcon || linkIcon))
if(REGEX_LINK.getLink(parts).match(REG_LINKINDEX_HYPERLINK)) urlIcon = true;
else linkIcon = true;
}
position = parts.value.index + parts.value[0].length;
}
outString += text.substring(position,text.length);
if (linkIcon) {
outString = this.linkPrefix + outString;
}
if (urlIcon) {
outString = this.urlPrefix + outString;
}
return outString;
}
/**
* Generate markdown file representation of excalidraw drawing
* @returns markdown string
*/
generateMD():string {
let outString = '# Text Elements\n';
for(const key of this.textElements.keys()){
outString += this.textElements.get(key).raw+' ^'+key+'\n\n';
}
outString += (this.equations.size>0 || this.files.size>0) ? '\n# Embedded files\n' : '';
if(this.equations.size>0) {
for(const key of this.equations.keys()) {
outString += key +': $$'+this.equations.get(key) + '$$\n';
}
}
if(this.files.size>0) {
for(const key of this.files.keys()) {
outString += key +': [['+this.files.get(key) + ']]\n';
}
}
outString += (this.equations.size>0 || this.files.size>0) ? '\n' : '';
const sceneJSONstring = JSON.stringify(this.scene,null,"\t");
return outString + getMarkdownDrawingSection(sceneJSONstring,this.svgSnapshot);
}
private async syncFiles(scene:SceneDataWithFiles):Promise<boolean> {
let dirty = false;
//remove files and equations that no longer have a corresponding image element
const fileIds = (scene.elements.filter((e)=>e.type==="image") as ExcalidrawImageElement[]).map((e)=>e.fileId);
this.files.forEach((value,key)=>{
if(!fileIds.contains(key)) {
this.files.delete(key);
dirty = true;
}
});
this.equations.forEach((value,key)=>{
if(!fileIds.contains(key)) {
this.equations.delete(key);
dirty = true;
}
});
//check if there are any images that need to be processed in the new scene
if(!scene.files || scene.files == {}) return false;
for(const key of Object.keys(scene.files)) {
if(!(this.hasFile(key as FileId) || this.hasEquation(key as FileId))) {
dirty = true;
let fname = "Pasted Image "+window.moment().format("YYYYMMDDHHmmss_SSS");
switch(scene.files[key].mimeType) {
case "image/png": fname += ".png"; break;
case "image/jpeg": fname += ".jpg"; break;
case "image/svg+xml": fname += ".svg"; break;
case "image/gif": fname += ".gif"; break;
default: fname += ".png";
}
const [folder,filepath] = await getAttachmentsFolderAndFilePath(this.app,this.file.path,fname);
await this.app.vault.createBinary(filepath,getBinaryFileFromDataURL(scene.files[key].dataURL));
this.setFile(key as FileId,filepath);
}
}
return dirty;
}
public async syncElements(newScene:any):Promise<boolean> {
this.scene = newScene;
let result = false;
if(!this.compatibilityMode) {
result = await this.syncFiles(newScene);
this.scene.files = {};
}
result = result || this.setLinkPrefix() || this.setUrlPrefix() || this.setShowLinkBrackets();
await this.updateTextElementsFromScene();
return result || this.findNewTextElementsInScene();
}
public async updateScene(newScene:any){
//console.log("Excalidraw.Data.updateScene()");
this.scene = JSON_parse(newScene);
const result = this.setLinkPrefix() || this.setUrlPrefix() || this.setShowLinkBrackets();
await this.updateTextElementsFromScene();
if(result || this.findNewTextElementsInScene()) {
await this.updateSceneTextElements();
return true;
};
return false;
}
public getRawText(id:string) {
return this.textElements.get(id)?.raw;
}
public getParsedText(id:string):string {
return this.textElements.get(id)?.parsed;
}
public setTextElement(elementID:string, rawText:string, updateScene:Function):string {
const parseResult = this.quickParse(rawText); //will return the parsed result if raw text does not include transclusion
if(parseResult) { //No transclusion
this.textElements.set(elementID,{raw: rawText,parsed: parseResult});
return parseResult;
}
//transclusion needs to be resolved asynchornously
this.parse(rawText).then((parsedText:string)=> {
this.textElements.set(elementID,{raw: rawText,parsed: parsedText});
if(parsedText) updateScene(parsedText);
});
return null;
}
public async addTextElement(elementID:string, rawText:string):Promise<string> {
const parseResult = await this.parse(rawText);
this.textElements.set(elementID,{raw: rawText,parsed: parseResult});
return parseResult;
}
public deleteTextElement(id:string) {
this.textElements.delete(id);
}
private setLinkPrefix():boolean {
const linkPrefix = this.linkPrefix;
const fileCache = this.app.metadataCache.getFileCache(this.file);
if (fileCache?.frontmatter && fileCache.frontmatter[FRONTMATTER_KEY_CUSTOM_PREFIX]!=null) {
this.linkPrefix=fileCache.frontmatter[FRONTMATTER_KEY_CUSTOM_PREFIX];
} else {
this.linkPrefix = this.plugin.settings.linkPrefix;
}
return linkPrefix != this.linkPrefix;
}
private setUrlPrefix():boolean {
const urlPrefix = this.urlPrefix;
const fileCache = this.app.metadataCache.getFileCache(this.file);
if (fileCache?.frontmatter && fileCache.frontmatter[FRONTMATTER_KEY_CUSTOM_URL_PREFIX]!=null) {
this.urlPrefix=fileCache.frontmatter[FRONTMATTER_KEY_CUSTOM_URL_PREFIX];
} else {
this.urlPrefix = this.plugin.settings.urlPrefix;
}
return urlPrefix != this.urlPrefix;
}
private setShowLinkBrackets():boolean {
const showLinkBrackets = this.showLinkBrackets;
const fileCache = this.app.metadataCache.getFileCache(this.file);
if (fileCache?.frontmatter && fileCache.frontmatter[FRONTMATTER_KEY_CUSTOM_LINK_BRACKETS]!=null) {
this.showLinkBrackets=fileCache.frontmatter[FRONTMATTER_KEY_CUSTOM_LINK_BRACKETS]!=false;
} else {
this.showLinkBrackets = this.plugin.settings.showLinkBrackets;
}
return showLinkBrackets != this.showLinkBrackets;
}
/*
// Files and equations copy/paste support
// This is not a complete solution, it assumes the source document is opened first
// at that time the fileId is stored in the master files/equations map
// when pasted the map is checked if the file already exists
// This will not work if pasting from one vault to another, but for the most common usecase
// of copying an image or equation from one drawing to another within the same vault
// this is going to do the job
*/
public setFile(fileId:FileId, path:string) {
//always store absolute path because in case of paste, relative path may not resolve ok
const file = this.app.metadataCache.getFirstLinkpathDest(path,this.file.path);
const p = file?.path ?? path;
this.files.set(fileId,p);
this.plugin.filesMaster.set(fileId,p);
}
public getFile(fileId:FileId) {
return this.files.get(fileId);
}
public getFileEntries() {
return this.files.entries();
}
public deleteFile(fileId:FileId) {
this.files.delete(fileId);
//deliberately not deleting from plugin.filesMaster
//could be present in other drawings as well
}
//Image copy/paste support
public hasFile(fileId:FileId):boolean {
if(this.files.has(fileId)) return true;
if(this.plugin.filesMaster.has(fileId)) {
this.files.set(fileId,this.plugin.filesMaster.get(fileId));
return true;
}
return false;
}
public setEquation(fileId:FileId, equation:string) {
this.equations.set(fileId,equation);
this.plugin.equationsMaster.set(fileId,equation);
}
public getEquation(fileId: FileId) {
return this.equations.get(fileId);
}
public getEquationEntries() {
return this.equations.entries();
}
public deleteEquation(fileId:FileId) {
this.equations.delete(fileId);
//deliberately not deleting from plugin.equationsMaster
//could be present in other drawings as well
}
//Image copy/paste support
public hasEquation(fileId:FileId):boolean {
if(this.equations.has(fileId)) return true;
if(this.plugin.equationsMaster.has(fileId)) {
this.equations.set(fileId,this.plugin.equationsMaster.get(fileId));
return true;
}
return false;
}
}